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vuln-cve/data/2026/27xxx/CVE-2026-27627.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-27627",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-02-20T22:02:30.027Z",
"datePublished": "2026-02-25T03:48:07.431Z",
"dateUpdated": "2026-02-25T21:20:03.257Z"
},
"containers": {
"cna": {
"title": "Karakeep's Reddit plugin content bypasses DOMPurify sanitization, enabling stored XSS",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-79",
"lang": "en",
"description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 8.2,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N",
"version": "3.1"
}
}
],
"references": [
{
"name": "https://github.com/karakeep-app/karakeep/security/advisories/GHSA-mg93-f9mw-wpgj",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/karakeep-app/karakeep/security/advisories/GHSA-mg93-f9mw-wpgj"
},
{
"name": "https://github.com/karakeep-app/karakeep/commit/ba3db953c0d8675e2e3ecc29113a332b570b2cb9",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/karakeep-app/karakeep/commit/ba3db953c0d8675e2e3ecc29113a332b570b2cb9"
},
{
"name": "https://github.com/karakeep-app/karakeep/releases/tag/v0.31.0",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/karakeep-app/karakeep/releases/tag/v0.31.0"
}
],
"affected": [
{
"vendor": "karakeep-app",
"product": "karakeep",
"versions": [
{
"version": "= 0.30.0",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-02-25T03:48:07.431Z"
},
"descriptions": [
{
"lang": "en",
"value": "Karakeep is a elf-hostable bookmark-everything app. In version 0.30.0, when the Reddit metascraper plugin returns `readableContentHtml`, the HTML parsing subprocess uses it directly without running it through DOMPurify. Every other content source in the crawler goes through Readability + DOMPurify, but the Reddit path skips both. Since this content ends up in `dangerouslySetInnerHTML` in the reader view, any malicious HTML in the Reddit response gets executed in the user's browser. Version 0.31.0 contains a patch for this issue."
}
],
"source": {
"advisory": "GHSA-mg93-f9mw-wpgj",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-02-25T21:19:52.460762Z",
"id": "CVE-2026-27627",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-02-25T21:20:03.257Z"
}
}
]
}
}